Finding the Fourth Proportional to 288,563.18, 398,219.19 and 161,244.14
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Solution
The fourth proportional to 288,563.18, 398,219.19 and 161,244.14 is: 222,518.03
Step by Step Solution
- Step 1: Write the proportion equation
288,563.18 : 398,219.19 = 161,244.14 : x - Step 2: Convert to fraction form
288,563.18/398,219.19 = 161,244.14/x - Step 3: Cross multiply
288,563.18x = 398,219.19 × 161,244.14 - Step 4: Simplify right side
288,563.18x = 64,210,510,823.05 - Step 5: Solve for x
x = 64,210,510,823.05/288,563.18 - Step 6: Final answer
x = 222,518.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.